}, tabText: { color: 'white', fontSize: 16, fontWeight: 'bold' }, list: { width: '90%' }, entryContainer: { flexDirection: 'row', alignItems: 'center', backgroundColor: 'rgba(45,156,219,0.08)', padding: 15, borderRadius: 10, marginBottom: 10 }, rankText: { color: '#F2C94C', fontSize: 18, fontWeight: 'bold', width: 40 }, nameText: { color: 'white', fontSize: 18, flex: 1 }, scoreText: { color: '#27AE60', fontSize: 18, fontWeight: 'bold' }, emptyText: { color: '#BDBDBD', textAlign: 'center', marginTop: 50, fontSize: 16 }, backButton: { marginTop: 20, backgroundColor: 'rgba(45,156,219,0.08)', borderColor: '#2D9CDB', borderWidth: 2, paddingHorizontal: 40, paddingVertical: 15, borderRadius: 12 }, backButtonText: { color: 'white', fontSize: 18, fontWeight: 'bold' } }); function asyncGeneratorStep$1(n, t, e, r, o, a, c) { try { var i = n[a](c), u = i.value; } catch (n) { return void e(n); } i.done ? t(u) : Promise.resolve(u).then(r, o); } function _asyncToGenerator$1(n) { return function () { var t = this, e = arguments; return new Promise(function (r, o) { var a = n.apply(t, e); function _next(n) { asyncGeneratorStep$1(a, r, o, _next, _throw, "next", n); } function _throw(n) { asyncGeneratorStep$1(a, r, o, _next, _throw, "throw", n); } _next(void 0); }); }; } var useState$1 = React.useState; var View$1 = ReactNative.View, Text$1 = ReactNative.Text, TextInput = ReactNative.TextInput, TouchableOpacity$1 = ReactNative.TouchableOpacity, StyleSheet$1 = ReactNative.StyleSheet, Alert = ReactNative.Alert; var AUTH_USERS_KEY$1 = '@TowerDefense:authUsers'; function simpleHash(str) { var hash = 2166136261; for (var i = 0; i < str.length; i++) { hash ^= str.charCodeAt(i); hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24); } return (hash >>> 0).toString(16); } var UsernamePrompt = function (_a) { var visible = _a.visible, onSave = _a.onSave, onSkip = _a.onSkip; var _b = useState$1('signup'), tab = _b[0], setTab = _b[1]; var _c = useState$1(''), username = _c[0], setUsername = _c[1]; var _d = useState$1(''), password = _d[0], setPassword = _d[1]; var _e = useState$1(false), loading = _e[0], setLoading = _e[1]; if (!visible) { return null; } var handleAuth = function () { var _ref = _asyncToGenerator$1(function () { var trimmedUsername, usersRaw, users, hashed, e_1; return __generator(this, function (_a) { switch (_a.label) { case 0: trimmedUsername = username.trim(); if (trimmedUsername.length < 3) { Alert.alert('Invalid Username', 'Username must be at least 3 characters long.'); return [2]; } if (trimmedUsername.length > 15) { Alert.alert('Invalid Username', 'Username must be 15 characters or less.'); return [2]; } if (password.length < 4) { Alert.alert('Invalid Password', 'Password must be at least 4 characters.'); return [2]; } setLoading(true); _a.label = 1; case 1: _a.trys.push([1, 6, 7, 8]); return [4, AsyncStorage.getItem(AUTH_USERS_KEY$1)]; case 2: usersRaw = _a.sent(); users = usersRaw ? JSON.parse(usersRaw) : {}; hashed = simpleHash(password); if (!(tab === 'signup')) return [3, 4]; if (users[trimmedUsername]) { Alert.alert('Username

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